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Float, location/function - GF27.10-P-5107N

TRANSMISSION 722.9 in MODEL 171.4, 

TRANSMISSION 722.9 in MODEL 463.30 

Fig 1: Identifying Float 1, Float 2 And Electrical Control Unit Location - Transmission 722.9
G04732495
  Float, location Float 1 (31) and float 2 (32) are accommodated in the electric control unit (VGS) (Y3/8).  
  Float, function As the oil level rises, float 1 (31) and float 2 (32) seal the openings between the oil chamber and the gear set chamber.